body,
button,
input,
select,
textarea {
    font-family: -apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif;
}

.title {
    font-weight: 400;
}

.is-4 {
    font-weight: 800;
}

.areatitle {
    font-size: 1.25em;
    font-weight: 800;
}